. >> guys we're going to leave it there, katy stockton and brian white, thank you. tim cook being interviewed by brian williams, that is tonight on nbc's rock center. 10:00 p.m. on your local nbc station. >>> meantime, house speaker boehner and president obama speaking on the phone last night about the fiscal cliff. there still seems to be a freeze in the negotiation. >> there's nothing going on privately that's not going on the publicly. >> they've got to come with some specific revenue. they have refused to do that. >> we need that consensual break through. >> although the president seems obsessed on raising taxes for you. >> that is a bad strategy for america, it's a bad strategy for your businesses and it is not a game that i will play. >> is the administration prepared too go over the fiscal cliff? >> oh, absolutely. there's no prospect to an agreement that doesn't involve those rates going up on the wealthiest 2%. remember it's only 2%. >> with just 25 days to go, the political satandoff could cost the u.s. millions of jobs. professor, good to have you back, g